| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1999 |
|
Science Fiction Writers: Critical Studies of the Major Authors from the Early Nineteenth Century to the Present Day, Second Edition | Charles Scribner's Sons | Nonfiction | 331 |
| January 2010 |
|
Against the New Gods and Other Essays on Writers of Imaginative Fiction | Borgo Press / Wildside Press | Nonfiction | 127 |